Panasonic MDF-DU900V Operating Instructions Manual page 50

●Table 4～5 show the behavior of the alarm (buzzer) and Ring Back function when pressing Buzzer key.
Table 4 In the cases of other than the door alarm.
Ring Back
Remote Alarm setting
setting
ON: Non-interlock
with Buzzer key
OFF: Interlock
with Buzzer key
Note: Resolve the cause of the alarm in reference to page 47～48 because the alarm itself is not
deactivated by pressing Buzzer key.
Table 5 In the cases of the door alarm.
Ring Back
Remote Alarm setting
setting
ON: Non-interlock
with Buzzer key
OFF: Interlock
with Buzzer key
●Table 6 shows the situation after being canceled the High/Low Alarm and recovery from a power failure
with no operation.
Table 6 The situation after being canceled the High/Low Alarm and recovery from a power failure with
no operation
Canceled alarm
Message display field
High Alarm
Low Alarm
Power failure
alarm
Note: By pressing Buzzer key, the alarm display returns to "Normal" and buzzer stops.
Buzzer from unit
When pressing
Buzzer key
ON
OFF
OFF
(Alarm is not
ON
canceled)
OFF
Buzzer from unit
When pressing
Buzzer key
ON
OFF
OFF
(Alarm is
ON
canceled)
OFF
LCD touch panel
"Alarm" is displayed alternately in
―
normal characters and reverse video
"Alarm" is displayed alternately in
―
normal characters and reverse video
When the Ring Back When pressing
set time passes Buzzer key
ON
OFF
ON OFF (Alarm is
OFF not canceled)
When the Ring Back
set time passes
OFF
(Alarm is already
canceled)
Alarm display
Remote Alarm
When the Ring Back
set time passes
ON
ON
(Under continuation)
ON
OFF
Remote Alarm setting
OFF
Remote Safety
Buzzer
alarm operation
Intermittent
―
tone
Intermittent
―
tone
―
―
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